Viqua VT1

Viqua VT1

MSRP: US$219.00
Our Price: US$165.00
You save: $54.00

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Viqua VT1 Ultraviolet (UV) Sterilizer

The Viqua VT1 Ultraviolet (UV) water purifier is an "entry level" UV sterilizer designed for optimal cost effectiveness for basic point-of-use applications with flow rates up to a maximum of 1 gallons per minute (GPM) or 4 liters per minute (LPM). It is a popular choice as post treatment after a residential under-sink reverse osmosis system or other under sink water filter, or for treating water at a single faucet, water fountain, or similar low flow rate application.

Although the Viqua VT1 (part of Viqua's Tap Series) is designed to be economical, all Viqua Tap Series units feature a visual "lamp on" indicator light, a stainless steel reactor chamber, combination plumbing ports with 3/8"FNPT (female NPT) / 1/2" MNPT (male NPT) for easy installation, a fire-polished domed quartz sleeve, and Sterilights' popular Sterilume™-EX coated low pressure germicidal UV lamp which can be easily changed without interrupting the water flow.

Pre-treatment Requirements:

All UV sterilizers required sediment pre-filtration to reduce or eliminate the possibility that a targeted contaminant could "hide" behind a sediment particle in the "shadow" of the UV light and therefore not receive a full dose of UV light. Accordingly, the manufacturer strongly recommends sediment pre-filtration down to a level of 5 microns or smaller.

Water exceeding 120 ppm in hardness (7 grains per gallon) should be softened to reduce the risk that hard water mineral scale will build-up on the UV sleeve thereby reducing UV light distribution into the UV chamber. Similarly, iron levels exceeding 0.3 ppm or manganese levels exceeding 0.05 ppm should also be treated to prevent staining of the UV sleeve.

Elevated levels of certain other contaminants, such as tannins, can cause a reduction in UV transmittance (the ability of the water to transmit UV light). If the UV transmittance (UVT) of your water is less than 75% after the above-mentioned pre-treatment, activated carbon filtration may be desirable to improve UV transmittance. The majority of deep wells have a UVT of 85% or greater. If your UVT is unknown, select a model with a higher flow rate capacity then you feel you will really require (this will provide a higher UV dose at your desired flow rate), or add an activated carbon pre-filter to your system.

Viqua VT1 Specifications
Applications point-of-use
Max. Flow Rate
(UV dose >30 mJ/cm2)*
1.0 GPM (4.0 lpm)
Max. Flow Rate
(UV dose >40 mJ/cm2)*
0.7 GPM (3.0 lpm)
Water Chamber Material 304 Stainless Steel
Chamber Length 12.5 inches / 31.8 cm
Chamber Diameter 2.5 inches / 6.5 cm
Lamp Sterilume-EX
Model S212RL
Sleeve Quartz
Model QS-212
Electrical 100-240v, 50/60HZ
Power Consumption 13 watts
Inlet / Outlet Plumbing Ports Combo 3/8" FNPT / 1/2" MNPT
Integrated Ballast / Lamp Connector
"Power-On" Indicator Light
Warranty Reaction Chamber: 10 years
Lamp: 1 year
All Other components:3 years
Manual VT1, VT1/2, VT1/2A, VT1/2B, VT1/12
VT4, VT4/2, VT4/2A, VT4/2B, VT4/12
Feed Water Quality Parameters
Iron 0.3 ppm (0.3 mg/L)
Manganese 0.05 ppm (0.05 mg/L)
Tannins 0.1 ppm (0.1 mg/L)
Turbidity < 1 NTU
Hardness < 120 ppm (7 grains / gallon)
UV Transmittance (UVT): 75%
Maximum Temperature: 104F (40C)
Maximum Pressure: 125 psi

Options, Accessories and Replacement Parts

Sediment Prefilter Package <br>5 Micron - WH1B+

Sediment Prefilter Package
5 Micron - WH1B+

MSRP: US$106.54
Our Price: US$89.95
You save: $16.59

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Viqua 1.5 GPM <br>Flow Restrictor

Viqua 1.5 GPM
Flow Restrictor

MSRP: US$80.00
Our Price: US$39.00
You save: $41

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Sterilight S212RL <br>Replacement Lamp

Sterilight S212RL
Replacement Lamp

MSRP: US$76.00
Our Price: US$55.00
You save: $21

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Sterilight QS-212 <br>Replacement Sleeve

Sterilight QS-212
Replacement Sleeve

MSRP: US$45.00
Our Price: US$35.00
You save: $10

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Sterilight VT<br>Replacement Ballast

Sterilight VT
Replacement Ballast

MSRP: US$99.00
Our Price: US$75.00
You save: $24

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*Note: Maximum recommended flow rates based on 95% UV transmittance. Actual dosage depends on flow rate, water quality, and maintenance (cleaning ov UV sleeve). UV dosage will be lower when the UV transmittance capacity of the water drops below 95% - if in doubt, select a model rated for a higher flow rate than you actually require. We recommend a UV dose of 40 mJ/cm2.